drivers/media/platform/vsp1/vsp1_uds.h

   1 /*
   2  * vsp1_uds.h  --  R-Car VSP1 Up and Down Scaler
   3  *
   4  * Copyright (C) 2013-2014 Renesas Electronics Corporation
   5  *
   6  * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2 of the License, or
  11  * (at your option) any later version.
  12  */
  13 #ifndef __VSP1_UDS_H__
  14 #define __VSP1_UDS_H__
  15
  16 #include <media/media-entity.h>
  17 #include <media/v4l2-subdev.h>
  18
  19 #include "vsp1_entity.h"
  20
  21 struct vsp1_device;
  22
  23 #define UDS_PAD_SINK                            0
  24 #define UDS_PAD_SOURCE                          1
  25
  26 struct vsp1_uds {
  27         struct vsp1_entity entity;
  28         bool scale_alpha;
  29 };
  30
  31 static inline struct vsp1_uds *to_uds(struct v4l2_subdev *subdev)
  32 {
  33         return container_of(subdev, struct vsp1_uds, entity.subdev);
  34 }
  35
  36 struct vsp1_uds *vsp1_uds_create(struct vsp1_device *vsp1, unsigned int index);
  37
  38 void vsp1_uds_set_alpha(struct vsp1_entity *uds, struct vsp1_dl_list *dl,
  39                         unsigned int alpha);
  40
  41 #endif /* __VSP1_UDS_H__ */